:root {
            --bg: #04140e;
            --surface: #0a2420;
            --surface-alt: #0f352f;
            --accent: #34d399;
            --accent-hover: #10b981;
            --accent2: #fbbf24;
            --text: #effdf5;
            --muted: #8fb3a3;
            --border: rgba(52, 211, 153, 0.15);
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;
            --container-w: 1200px;
            --header-h: 70px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, .font-display, .btn, .nav-links a, .footer-brand, .chip, .breadcrumb {
            font-family: var(--font-display);
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent-hover);
        }

        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            text-align: center;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: var(--bg);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(52, 211, 153, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }

        .btn-secondary:hover {
            background-color: rgba(52, 211, 153, 0.1);
            transform: translateY(-2px);
        }

        /* HEADER (A1) */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background-color: rgba(4, 20, 14, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .nav-links {
            display: flex;
            gap: 24px;
        }

        .nav-links a {
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .nav-links a:hover {
            color: var(--accent);
        }

        .header-ctas {
            display: flex;
            gap: 12px;
        }

        .header-ctas .btn {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* HERO SECTION */
        .hero {
            margin-top: var(--header-h);
            padding: 80px 0 60px;
            background: radial-gradient(circle at top right, var(--surface-alt) 0%, var(--bg) 70%);
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: radial-gradient(var(--border) 1px, transparent 1px);
            background-size: 30px 30px;
            opacity: 0.2;
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 24px;
            display: inline-block;
            background: var(--surface);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--border);
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            color: var(--text);
            margin-bottom: 24px;
            line-height: 1.1;
            letter-spacing: -1px;
            position: relative;
            z-index: 1;
        }

        .meta-chips {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .chip {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(52, 211, 153, 0.1);
            padding: 6px 12px;
            border-radius: 4px;
            border: 1px solid rgba(52, 211, 153, 0.2);
        }

        /* MAIN CONTENT AREA */
        .page-content {
            padding: 60px 0;
        }

        .intro-block {
            background: var(--surface);
            border-left: 4px solid var(--accent);
            padding: 32px 40px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin-bottom: 60px;
            font-size: 1.2rem;
            color: var(--text);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .intro-block a {
            text-decoration: underline;
            text-underline-offset: 4px;
            color: var(--accent2);
        }

        .intro-block a:hover {
            color: var(--accent);
        }

        /* EDITORIAL LAYOUT FOR SECTIONS */
        .editorial-section {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-bottom: 80px;
            position: relative;
        }

        .editorial-section::after {
            content: '';
            display: block;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, var(--border), transparent);
            position: absolute;
            bottom: -40px;
            left: 0;
        }

        .editorial-section:last-of-type::after {
            display: none;
        }

        .section-header {
            position: relative;
        }

        .section-header h2 {
            font-size: 1.8rem;
            color: var(--accent);
            line-height: 1.3;
            margin-bottom: 16px;
            position: sticky;
            top: calc(var(--header-h) + 32px);
        }

        .section-body {
            color: var(--muted);
            font-size: 1.1rem;
        }

        .section-body p {
            margin-bottom: 20px;
        }

        .section-body p:last-child {
            margin-bottom: 0;
        }

        .section-body a {
            color: var(--text);
            border-bottom: 1px dashed var(--accent);
        }

        .section-body a:hover {
            color: var(--accent);
            border-bottom-style: solid;
        }

        /* Custom List Styling */
        .feature-list {
            list-style: none;
            margin: 32px 0;
            padding: 0;
        }

        .feature-list li {
            position: relative;
            padding-left: 36px;
            margin-bottom: 16px;
            background: var(--surface);
            padding: 20px 20px 20px 52px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            color: var(--text);
        }

        .feature-list li::before {
            content: '♦';
            position: absolute;
            left: 20px;
            top: 20px;
            color: var(--accent2);
            font-size: 1.2rem;
            line-height: 1;
        }

        /* FAQ SECTION */
        .faq-wrapper {
            background: var(--surface);
            padding: 60px 40px;
            border-radius: var(--radius-lg);
            margin-bottom: 80px;
            border: 1px solid var(--border);
        }

        .faq-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 40px;
            color: var(--text);
        }

        details {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        details:hover {
            border-color: rgba(52, 211, 153, 0.4);
        }

        summary {
            padding: 20px 24px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            list-style: none;
            position: relative;
            padding-right: 50px;
            color: var(--text);
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::after {
            content: '+';
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.5rem;
            font-weight: 400;
            transition: var(--transition);
        }

        details[open] summary::after {
            content: '−';
        }

        details[open] summary {
            border-bottom: 1px solid var(--border);
            color: var(--accent);
        }

        details p {
            padding: 20px 24px;
            color: var(--muted);
            margin: 0;
            background: rgba(10, 36, 32, 0.5);
        }

        /* RELATED PAGES */
        .related-pages {
            margin-bottom: 80px;
        }

        .related-pages h2 {
            font-size: 1.5rem;
            margin-bottom: 24px;
            color: var(--text);
            text-align: center;
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .related-link {
            display: inline-block;
            padding: 12px 24px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 30px;
            color: var(--muted);
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .related-link:hover {
            background: var(--accent);
            color: var(--bg);
            border-color: var(--accent);
        }

        /* CTA SECTION */
        .cta-box {
            background: linear-gradient(135deg, var(--surface-alt) 0%, var(--surface) 100%);
            border: 1px solid var(--accent);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 60px;
        }

        .cta-box::before {
            content: '♠ ♥ ♣ ♦';
            position: absolute;
            top: -20px;
            right: -20px;
            font-size: 120px;
            color: rgba(52, 211, 153, 0.03);
            font-family: serif;
            letter-spacing: -10px;
            transform: rotate(-15deg);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 2.2rem;
            margin-bottom: 16px;
            color: var(--text);
        }

        .cta-box p {
            color: var(--muted);
            font-size: 1.1rem;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
        }

        /* FOOTER (A2) */
        footer {
            background-color: #020a07;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border);
        }

        .footer-top {
            text-align: center;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .footer-tagline {
            color: var(--muted);
            max-width: 500px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px 24px;
            margin-bottom: 40px;
        }

        .footer-links a {
            color: var(--text);
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            text-align: center;
            color: #4a6358;
            font-size: 0.85rem;
            padding-top: 24px;
            border-top: 1px solid rgba(143, 179, 163, 0.1);
        }

        /* RESPONSIVE */
        @media (min-width: 768px) {
            .editorial-section {
                grid-template-columns: 1fr 2fr;
                gap: 40px;
            }
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-ctas {
                display: none;
            }
            /* Active mobile menu */
            .header-inner.menu-open {
                position: absolute;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: var(--surface);
                flex-direction: column;
                padding: 24px;
                height: auto;
                border-bottom: 1px solid var(--border);
            }
            .header-inner.menu-open .nav-links {
                display: flex;
                flex-direction: column;
                align-items: center;
                width: 100%;
                margin-bottom: 24px;
            }
            .header-inner.menu-open .header-ctas {
                display: flex;
                flex-direction: column;
                width: 100%;
            }
            .header-inner.menu-open .header-ctas .btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 767px) {
            .hero {
                padding: 40px 0 30px;
            }
            .intro-block {
                padding: 24px;
                font-size: 1.05rem;
                border-radius: var(--radius-sm);
                border-left-width: 3px;
            }
            .section-header h2 {
                font-size: 1.5rem;
                position: static;
            }
            .faq-wrapper {
                padding: 30px 20px;
            }
            .faq-title {
                font-size: 1.5rem;
            }
            .cta-box {
                padding: 40px 20px;
            }
            .cta-box h2 {
                font-size: 1.8rem;
            }
            .cta-actions {
                flex-direction: column;
            }
        }


/* pipeline image & layout guards */
html, body { overflow-x: clip; }
img { max-width: 100%; height: auto; }
img.site-logo { height: 40px; width: auto; max-width: 240px; object-fit: contain; flex: none; }
header .logo a { display: inline-flex; align-items: center; flex: none; text-decoration: none; }
img.hero-visual { width: 100%; max-width: 560px; height: auto; object-fit: cover; border-radius: 16px; display: block; margin-inline: auto; }
img[class^="strip-"], img[class*=" strip-"] { width: 100%; height: auto; display: block; border-radius: 12px; object-fit: cover; }
/* 合规声明块（zb-disclaimer，全站 footer） */
.zb-disclaimer { margin-top: 18px !important; padding: 14px 0 0 0 !important; border-top: 1px solid rgba(128,128,128,.25) !important; font-size: .72rem !important; line-height: 1.7 !important; opacity: .85 !important; display: block !important; text-align: left !important; width: 100% !important; clear: both !important; }
.zb-disclaimer .zb-18 { display: inline-block !important; padding: 2px 10px !important; border: 1.5px solid currentColor !important; border-radius: 6px !important; font-weight: 800 !important; letter-spacing: 1px !important; margin: 0 0 10px 0 !important; font-size: .78rem !important; }
.zb-disclaimer p { display: block !important; margin: 5px 0 !important; padding: 0 !important; color: inherit !important; font-size: .72rem !important; line-height: 1.7 !important; }
.zb-disclaimer p:last-child { margin-bottom: 0 !important; }